Regular Article

Performance and emission characteristics of salviniaceae filiculoides aquatic fern oil and SiO₂ nano additive biodiesel in CI engine

Department of Mechanical Engineering, University College of Engineering Nagercoil, Nagercoil 629004, Tamil Nadu, India

^* Corresponding author: kannan.tr@yahoo.com

Received: 16 January 2022
Accepted: 15 November 2022

Abstract

This present study deals the engine performance and emission of adding SiO₂ nano additives in novel salviniaceae filiculoides aquatic fern biomass derived biodiesel. The primary aim of this present study was to investigate the effect of adding SiO₂ nano additives into the Azolla Oil Methyl Ester (AZOME) as a sustainable biodiesel in the Compression Ignition (CI) engine and studying the engine performance and emission effects. The Azolla Oil Methyl Ester was prepared via transesterification process and blended with as-present diesel with various percentages. The SiO₂ nano particles are mixed with AZOME using sonication. The test was conducted using a single cylinder Compression Ignition engine with different blends of AZOME biodiesel. The fuel was injected into the engine at different spill timings as 20°, 23°, and 26° Crank Angle (CA) before (b) Top Dead Centre (TDC). According to the results the break thermal efficiency of AZOME and its SiO₂ blends were improved with spill timings. On compare with the conventional diesel the Injection Time (IT) of 23° b TDC and the average Brake Thermal Efficiency (BTE) of AZ20 fuel at the retarded spill timing of 20° was raised by 3.38%, while the AZ100 fuel at 20° b TDC is decreased by 0.9%. However the emission of AZ100 fuel found to be lesser due to the presence of SiO₂ nano additives. Thus the addition of SiO₂ nano additives along with aquatic biomass Azolla Oil Methyl Ester reduced the emission without affecting the engine performance.